One concrete data point for the thread. Give anything pharmacological four weeks before you judge it, and give anything measured weekly a four-point rolling average before you call it a trend.
Ask again with the specifics and you will get a better answer than this one.
One thing that is still open after anna.melb_AU’s answer:
How long did you give it before you decided it was working?
Old thread, but it comes up first when you search for this, so it is worth updating. One habit that pays for itself: post the method alongside the number. A figure without its method cannot be checked, and an unchecked figure is how this community accumulates folklore.
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Shop Reference StandardsDataDave said:Give anything pharmacological four weeks before you judge it, and give anything measured weekly a four-point rolling average before you call it a…
Fair, and it stops being fair at the extremes. The middle of the range is well understood; the ends are where the honest answer is that nobody knows.
DataDave said:Give anything pharmacological four weeks before you judge it, and give anything measured weekly a four-point rolling average before you call it a…
Thank you — that is the clearest version of this I have read, and I have read a lot of them.